/**
* Calculates the product unit reference price for the passed
* product price.
*
* @param Struct\Product\Price $price
* @return float
*/
private function calculateReferencePrice(Struct\Product\Price $price)
{
$value = $price->getCalculatedPrice() / $price->getUnit()->getPurchaseUnit() * $price->getUnit()->getReferenceUnit();
return round($value, 3);
}
